CN207472571U - Diesel engine fault detection device - Google Patents
Diesel engine fault detection device Download PDFInfo
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- CN207472571U CN207472571U CN201721073710.2U CN201721073710U CN207472571U CN 207472571 U CN207472571 U CN 207472571U CN 201721073710 U CN201721073710 U CN 201721073710U CN 207472571 U CN207472571 U CN 207472571U
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- fault detection
- diesel engine
- sensor
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- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 2
- 210000004556 brain Anatomy 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000005619 thermoelectricity Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000036413 temperature sense Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Combined Controls Of Internal Combustion Engines (AREA)
- Testing Of Engines (AREA)
Abstract
The utility model is related to the Technigue in Trouble Hunting of Diesel Engines field, more particularly to a kind of diesel engine fault detection device.Including data acquisition module, data memory module；Fault detection module and fault alarm module；The data acquisition module is communicated by CAN bus and data memory module；The data memory module communicates to connect the fault detection module；The fault detection module and the fault alarm module are communicated by CAN bus；The fault alarm module shows failure and alarms.Data target when the utility model data collecting module collected diesel engine is run, by CAN bus the data transmission detected to data memory module, fault detection module analyzes the data in the data and data memory module of acquisition, and detection is out of order, and then alarm module is alarmed.
Description
Technical field
The utility model is related to the Technigue in Trouble Hunting of Diesel Engines field, more particularly to a kind of diesel engine fault detection device.
Background technology
Diesel engine is the major impetus system of my land air force ships and light boats, is inevitably occurred in use
Failure, the generation of these failures not only influence the normal operation of equipment, can be caused an accident when serious or even jeopardize personal safety.
For this purpose, how effectively to carry out condition monitoring, quick diagnosis to diesel engine and fix a breakdown, the safe and reliable of diesel engine is improved
Property, become the important topic that people study for a long time.
At present, the diesel oil machine testing of ships and light boats army relies primarily on thermal parameter monitoring and the personnel of electromechanical department are on duty, leads to
It crosses the thermal parameters such as monitoring delivery temperature, rotating speed, oil temperature, cooling water outlet and inlet temperature and electromechanical personnel's real time monitoring is come really
The normal work of protection diesel oil machine.Electromechanical departmental staff depends on experience, and diesel engine is supervised using the methods of listening, see
Control.The effect of monitoring is on the one hand dependent on the stability and sensitivity of monitoring system in itself, on the other hand dependent on electromechanical department
The working experience and working condition of personnel.
For this purpose, we are analyzed by the fault mode to diesel engine and feature, diesel engine fault detection system is improved
The detectability of system, detection and repair for diesel engine provide scheme.
Utility model content
The purpose of this utility model is to solve above-mentioned problems of the prior art, provides a kind of diesel engine fault detection
Device, the real time execution parameter which is used to acquire diesel engine are analyzed, are alarmed.Based on the purpose, this reality
Technical solution with novel use is as follows：
A kind of diesel engine fault detection device, including data acquisition module, data memory module；Fault detection module and event
Hinder alarm module；The data acquisition module is communicated by CAN bus and data memory module；The data memory module communication
Connect the fault detection module；The fault detection module and the fault alarm module are communicated by CAN bus；Institute
Fault alarm module is stated to show failure and alarm.Further, the data acquisition module includes temperature sensor, pressure
Sensor, power measurement sensor, speed probe and torque sensor and audio collection sensor.
Further, the temperature sensor includes thermal resistance temperature sensor and thermocouple temperature sensor.
Further, the pressure sensor include for measure lubricating oil into machine pressure, booster exhaust back pressure based on
Ceramic thick film principle sensor and the quartz pressure sensor for measuring cylinder pressure.
Further, the CAN bus uses TA7V05 chips.
Further, the data memory module is computer, is stored with diesel engine fault data, the fault detection module
Module according to being stored in the data of data collecting module collected and data memory module is compared, and judges the operation of diesel engine
State.
Further, the fault alarm module includes display screen, buzzer and alarm lamp；The display screen is used to show
Warning message, buzzer and alarm lamp are conveniently used for audible alarm and indicator light alarm.
Compare the prior art, and the utility model has following advantageous effect：（1）Data collecting module collected diesel engine is run
When data target, by CAN bus the data transmission detected to data memory module, fault detection module is to acquisition
Data in data and data memory module are analyzed, and detection is out of order, and then alarm module is alarmed；（2）CAN is total
Line message transmission rate is high, it can be achieved that full distributed multi-computer system, and point without host and slave processors, and each node is actively sent
Message, it is convenient to form multi-computer back-up system.
Description of the drawings
Fig. 1 is the functional block diagram of the utility model；
Fig. 2 is the system block diagram of 7V05 and key industry application interface figure.
Specific embodiment
The utility model is further described with reference to embodiment and attached drawing.
Embodiment 1
As shown in Figure 1, a kind of diesel engine fault detection device, including data acquisition module, data memory module；Failure is examined
Survey module and fault alarm module；Data acquisition module is used to acquire diesel engine performance parameter；Data acquisition module is total by CAN
Line and data memory module communication；Data memory module operates all data in the detecting system, is managed, is safeguarded, is deposited
Storage, Check are ask；Fault detection module judges whether diesel oil operating is normal；Fault detection module and the fault alarm module pass through
CAN bus communicates；Fault alarm module shows failure and alarms.Data acquisition module is mainly responsible for required
Parameter is acquired, and deposit data memory module is transmitted by CAN bus, and fault detection module is by data
Reason, analysis carry out alarm and maintenance suggestion so as to judge the state of diesel engine, according to different states.
Data acquisition module includes temperature sensor, pressure sensor, power measurement sensor, speed probe and torque
Sensor and audio collection sensor.By setting particular sensor, carrying out collection in worksite to power-equipment other parameter signal,
Such as temperature, pressure, power, rotating speed, torque audio carry out collection in worksite.
Temperature sensor includes thermal resistance temperature sensor and thermocouple temperature sensor.For example, resistance and temperature senses
PT100 thermal resistance temperature sensors can be selected in device, and PT100 temperature sensors are mainly used for less than 650 DEG C of warm area, due to
The high resolution of PT100 thermal resistances, the requirement to secondary meter is relatively low, therefore diesel engine warm area thermometric below 650 DEG C leads to
Often select 100 ohm of platinum resistance thermometer sensor,s.And K-type thermocouple temperature sensor chemical stabilization type is higher, can in Oxidant or
Less than 900 DEG C of temperature is measured in neutral medium for a long time, has replicability good, generation thermoelectrical potential is big, and good linearity, price is just
Preferably.
Pressure sensor include for measure lubricating oil into machine pressure, booster exhaust back pressure based on ceramic thick film principle pass
Sensor and the quartz pressure sensor for measuring cylinder pressure.Lubricating oil is measured into low frequencies such as machine pressure, booster exhaust back pressures
What the pressure sensor of signal was selected be based on ceramic thick film principle sensor, ceramics be a kind of generally acknowledged high resiliency, it is anticorrosive,
Wear-resistant, shock resistance and the material of vibration, by laser calibration, sensors with auxiliary electrode is steady with very high temperature stability and time
Qualitative, sensor carries 0~70 DEG C of temperature-compensating, and can have high-precision, Gao Wen with most physical contact between media
Qualitative, output signal is strong, good long term stability.
For example, the pressure sensor of TRAFAG companies of Switzerland can be selected in the present embodiment, it is widely used in each industry
Field, especially suitable for requiring service precision high, the place of environment harshness.
The variation of diesel engine in-cylinder pressure is fast（Frequency is high）And pressure value is big, working environment is severe in cylinder, therefore measures in cylinder
The sensor of pressure must be able to high temperature resistant and high pressure.Common cylinder pressure sensors operation principle and acceleration transducer one
Sample is also based on piezoelectric effect.In view of high temperature and high pressure environment, it is preferred to use sensor of the quartz as piezoelectric material.It is auspicious
The quartz pressure sensor 7613C of scholar Kistler companies, the combustion chamber which is mainly used under severe conditions are surveyed
Amount.This sensor is substantially insensitive to residue of combustion, and with high sensitivity, linear excellent, and it is excellent that thermal shock is small etc.
Point.
Power measurement sensor measures transmission shaft strain for generating under torque effect with the mode for pasting foil gauge, and adopts
The rotating speed of transmission shaft is measured with photoelectric transfer sensing mode, so that it may obtain the power of diesel engine indirectly.
Due to the high speed rotation of transmission shaft, it is impossible to use traditional wired data transfer method, and wireless pass must be used
Transferring technology.Strain measurement system is installed on transmission shaft, and is rotated together with transmission shaft, and strain measurement result is passed through wireless
Mode is sent to data memory module.
CAN bus uses TA7V05 chips.TA7V05 can configure at pandemic 32 ARM7 of system on chip
Manage the peripheral hardware of device kernel, programmable logic and many Industry Control Applications.As shown in Fig. 2, give the system block diagram of TA7V05
With key industry application interface, this system provides device drivers such as house dog, timer, clock, DSP and LED, for
Family is directly used in exploitation, can largely simplify the development of CAN nodes and application system.
Data memory module is computer, is stored with diesel engine fault data, and the fault detection module is acquired according to data
The module stored in the data and data memory module of module acquisition is compared, and judges the operating status of diesel engine.Data are deposited
Operating parameter and various failures when storage module is stored with the operating parameter of data collecting module collected and normal diesel engine
When operating parameter.Fault detection module compares these parameters, then judge diesel engine whether normal operation.Fault detection module
It can also be computer, measured data and the initial data stored or data comparator or data ratio are compared in computer
Compared with module.
Fault alarm module includes display screen, buzzer and alarm lamp；The display screen is used for display alarm information, buzzing
Device and alarm lamp are conveniently used for audible alarm and indicator light alarm.When fault detection module detects abnormal, signal transmission is to event
Hinder alarm module, display screen will intuitively show fault message, and pass through the shape of clearing lamp and audio warning
Formula is to exception（Or failure）It alarms.
It is the workflow of the utility model below：
Each sensor of the data acquisition module of the utility model, which corresponds to, is mounted on the corresponding position of diesel engine, acquires bavin
The operation data of oil machine, communication module use CAN bus, and data are transferred to data memory module, and fault detection module works,
It detects malfunctioning module and carries out fault detect, fault alarm module shows abnormal conditions and carry out sound-light alarm.
Finally it should be noted that：Above example is only to illustrate the utility model and not limits the utility model and retouched
The technical solution stated；Therefore, although this specification the utility model is had been carried out with reference to above-mentioned each embodiment it is detailed
Illustrate, still, it will be understood by those of ordinary skill in the art that, still it can modify to the utility model or equally replace
It changes；And technical solution and its improvement of all spirit and scope for not departing from the utility model, it should all cover new in this practicality
In the right of type.
Claims (6)
1. a kind of diesel engine fault detection device, it is characterised in that：Including data acquisition module, data memory module；Failure is examined
Survey module and fault alarm module；The data acquisition module is communicated by CAN bus and data memory module；The data are deposited
It stores up module and communicates to connect the fault detection module；The fault detection module and the fault alarm module pass through CAN bus
It communicates；The fault alarm module shows failure and alarms；The data acquisition module includes temperature sensor, pressure
Force snesor, power measurement sensor, speed probe and torque sensor and audio collection sensor；The power measurement passes
Sensor is installed on the mode for pasting foil gauge on transmission shaft, the rotating speed of transmission shaft is measured using photoelectric sensing mode, and should
Become measurement result and be wirelessly sent to data memory module.
2. diesel engine fault detection device according to claim 1, it is characterised in that：The temperature sensor includes thermoelectricity
Hinder temperature sensor and thermocouple temperature sensor.
3. diesel engine fault detection device according to claim 1, it is characterised in that：The pressure sensor includes being used for
Lubricating oil is measured into machine pressure, the quartz based on ceramic thick film principle sensor and measurement cylinder pressure of booster exhaust back pressure
Pressure sensor.
4. diesel engine fault detection device according to claim 1, it is characterised in that：The CAN bus uses TA7V05
Chip.
5. diesel engine fault detection device according to claim 1, it is characterised in that：The data memory module is electricity
Brain, is stored with diesel engine fault data, and the fault detection module is stored according to the data and data of data collecting module collected
The module stored in module is compared, and judges the operating status of diesel engine.
6. diesel engine fault detection device according to claim 1, it is characterised in that：The fault alarm module includes aobvious
Display screen, buzzer and alarm lamp；The display screen is used for display alarm information, and buzzer and alarm lamp are conveniently used for audible alarm
And indicator light alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721073710.2U CN207472571U (en) | 2017-08-25 | 2017-08-25 | Diesel engine fault detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721073710.2U CN207472571U (en) | 2017-08-25 | 2017-08-25 | Diesel engine fault detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207472571U true CN207472571U (en) | 2018-06-08 |
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ID=62268547
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721073710.2U Expired - Fee Related CN207472571U (en) | 2017-08-25 | 2017-08-25 | Diesel engine fault detection device |
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| Country | Link |
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| CN (1) | CN207472571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632319A (en) * | 2018-11-20 | 2019-04-16 | 吉林铁道职业技术学院 | It is a kind of harmony in 5 locomotive diesel machine overhauling auxiliary systems |
-
2017
- 2017-08-25 CN CN201721073710.2U patent/CN207472571U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632319A (en) * | 2018-11-20 | 2019-04-16 | 吉林铁道职业技术学院 | It is a kind of harmony in 5 locomotive diesel machine overhauling auxiliary systems |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 |